If you want use ← ↑ ↓ → and Ctrl as FIRE choose Kempston Joystik.
Keyboard: Selection No: 1 2 3 4 5 6, LEFT: Q 5 Z O Q 6, RIGHT: W 8 X P W 7, DOWN: E 6 M A L 8, UP: R 7 K Q P 9, DOOR/TAKE: T 0 L M M 0, PUMP/POWER: X 9 A X X M, , , START/RESTART: S, HOLD: